Ligation of the inferior vena cava in early pregnancy.
D000328:Adult; D005260:Female; D006801:Humans; D011247:Pregnancy; D011249:Pregnancy Complications, Cardiovascular / Q000601:surgery*; D011655:Pulmonary Embolism / Q000601:surgery*; D014682:Vena Cava, Inferior / Q000601:surgery*